Multiple vulnerabilities in Microsoft .NET and Visual Studio

Published: 2022-03-08

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-24512 CVE-2022-24464
CWE-ID	CWE-94 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Microsoft .NET Core Server applications / Frameworks for developing and running applications Visual Studio Universal components / Libraries / Software for developers
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Code Injection

EUVDB-ID: #VU61175

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-24512

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in .NET and Visual Studio. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft .NET Core: 3.1 - 6.0.0

Visual Studio: 16.0.0 16.0.28729.10 - 17.0.0 17.0.31903.59

CPE2.3

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-24512

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU61176

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-24464

CWE-ID: CWE-20 - Improper input validation